diff options
| author | Mandeep Singh Baines <msb@chromium.org> | 2013-02-27 17:03:20 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-27 19:10:11 -0800 |
| commit | 80d26af89a7249aa5475467000322163c60cdd72 (patch) | |
| tree | e611dcf9d6962c81186ede5e94570a730accc222 /kernel/exit.c | |
| parent | 6aa9707099c4b25700940eb3d016f16c4434360d (diff) | |
| download | lwn-80d26af89a7249aa5475467000322163c60cdd72.tar.gz lwn-80d26af89a7249aa5475467000322163c60cdd72.zip | |
coredump: use a freezable_schedule for the coredump_finish wait
Prevents hung_task detector from panicing the machine. This is also
needed to prevent this wait from blocking suspend.
(It doesnt' currently block suspend but it would once the next
patch in this series is applied.)
[yongjun_wei@trendmicro.com.cn: kernel/exit.c: remove duplicated include]
Signed-off-by: Mandeep Singh Baines <msb@chromium.org>
Cc: Ben Chan <benchan@chromium.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Rafael J. Wysocki <rjw@sisk.pl>
Cc: Ingo Molnar <mingo@redhat.com>
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/exit.c')
| -rw-r--r-- | kernel/exit.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/exit.c b/kernel/exit.c index aaf97c122e8a..51e485ca9935 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -20,6 +20,7 @@ #include <linux/tsacct_kern.h> #include <linux/file.h> #include <linux/fdtable.h> +#include <linux/freezer.h> #include <linux/binfmts.h> #include <linux/nsproxy.h> #include <linux/pid_namespace.h> @@ -31,7 +32,6 @@ #include <linux/mempolicy.h> #include <linux/taskstats_kern.h> #include <linux/delayacct.h> -#include <linux/freezer.h> #include <linux/cgroup.h> #include <linux/syscalls.h> #include <linux/signal.h> @@ -485,7 +485,7 @@ static void exit_mm(struct task_struct * tsk) set_task_state(tsk, TASK_UNINTERRUPTIBLE); if (!self.task) /* see coredump_finish() */ break; - schedule(); + freezable_schedule(); } __set_task_state(tsk, TASK_RUNNING); down_read(&mm->mmap_sem); |